Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Devlieg Bullard Inc
Original Assignee
National Acme Co
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Filing date
Publication date
Application filed by National Acme CofiledCriticalNational Acme Co
Application grantedgrantedCritical
Publication of FR576571ApublicationCriticalpatent/FR576571A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B7/00—Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by cams; Equipment therefor; Features common to automatic and semi-automatic turning-machines with one or more working-spindles
B23B7/12—Automatic or semi-automatic machines for turning of workpieces
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR576571D1923-07-181924-02-02Perfectionnements aux machines pour le travail des métaux
ExpiredFR576571A
(fr)